- Calling Flip a "programming language" is quite a stretch. It is not. That's the whole point in it, in fact.
- The metric to determine how good a game is is not how "complex" it is, but how much fun it is.
How do you know it was stopped in Nigeria? Because the Nigerian government, who have a strong incentive to protect their billions of dollars in trade with the rest of the world say they stopped it?
No. We know it because US health authorities and the WHO reported it.
Furthermore Ebola never did reach Nigerian cities.
Um, ebola certainly reached Lagos, Nigeria's largest city, populated by 17.5 million people. The index case, doctor Patrick Sawyer, even performed surgery while ill and symptomatic.
"... they suggest Polo was aware of the New World two centuries before Columbus."
I'm not sure Columbus was ever "aware of the New World"; he probably always thought he had reached the East Indies. On the other hand, it's a well-known fact that the Vikings or the Norse "discovered" the Americas no later than the 11th century.
"Your mother was a hamster, and your father smelt of elderberrys!" -- Monty Python and the Holy Grail